Pint -> a UK sized pint glass of about 560 ml.
Pot -> a much smaller glass
Thong -> jandal
Chewy -> chewing gum
Dink -> to double someone on a bicycle
Blowy -> a blowfly or a blowjob.
Wristy -> a wrist job
Old mate -> used a placeholder when you've forgotten somebodies name, or when you don't want to mention them by name
Parma -> a dish served at pubs that might once have been related to the Italian dish chicken parmiagani, a creamy pasta dish flavoured with taragon, but is now crumbed deep fried chicken with tomatoe relish and cheese served with fries.
Swimmers -> togs
Runners -> running shoes
000 -> 111
sidy -> city
cd -> city
hache t m l -> html
vanilla slice -> custard square